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Re: Set Operations on Dicts

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Subject Re: Set Operations on Dicts
Date Mon, 08 Feb 2016 09:52:43 -0500
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On Mon, Feb 8, 2016, at 08:32, Matt Wheeler wrote:
> On 8 February 2016 at 12:17, Jussi Piitulainen
> <jussi.piitulainen@helsinki.fi> wrote:
> > Also, what would be the nicest current way to express a priority union
> > of dicts?
> >
> > { k:(d if k in d else e)[k] for k in d.keys() | e.keys() }
> 
> Since Python 3.5: {**e, **d}

And before that... dict(ChainMap(d, e))

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Thread

Set Operations on Dicts Marco Kaulea <marco.kaulea@gmail.com> - 2016-02-08 10:56 +0100
  Re: Set Operations on Dicts Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-08 14:17 +0200
    Re: Set Operations on Dicts Marco Kaulea <marco.kaulea@gmail.com> - 2016-02-08 13:33 +0100
    Re: Set Operations on Dicts Matt Wheeler <m@funkyhat.org> - 2016-02-08 13:32 +0000
      Re: Set Operations on Dicts Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-08 16:02 +0200
    Re: Set Operations on Dicts Random832 <random832@fastmail.com> - 2016-02-08 09:52 -0500
      Re: Set Operations on Dicts Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-08 17:05 +0200
  Re: Set Operations on Dicts Grobu <snailcoder@retrosite.invalid> - 2016-02-08 13:47 +0100
    Re: Set Operations on Dicts Ian Kelly <ian.g.kelly@gmail.com> - 2016-02-08 09:12 -0700
      Re: Set Operations on Dicts Grobu <snailcoder@retrosite.invalid> - 2016-02-09 08:21 +0100
        Re: Set Operations on Dicts Ian Kelly <ian.g.kelly@gmail.com> - 2016-02-09 08:14 -0700

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